Do not drive until the head restraints for all occupants are installed and adjustedproperly.
To achieve a comfortable seating position, change the seatback recline angle as littleas necessary while keeping the seat and the head restraint height in the proper position.
SeeHead RestraintsandSeat Adjustment.
Seating
Driver or Passenger Seat Adjuster Handle Replacement SeatsValve Lifter Cleaning and Inspection
Caution:Refer toValve Lifter Priming Caution.Inspect the stationary hydraulic lash adjuster (SHLA) in thefollowing areas:A plugged oil passage-(1)A scored or worn camshaft follower pivotarea-(2)A damaged or broken retainer-(3), someapplicationsA severely scuffed or worn SHLA body-(4)Replace the SHLA ...